Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG630449047

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG630449047

Diamond specifications and retailer prices

From $241 CAD
As of November 4, 2026
Save $1,321 CAD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,561 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630449047 or 630449047. Listed at 16 retailers as of November 4, 2026, with prices from $241 to $1,561, a $1,321 spread on the same certified stone. Brilliant Earth lists it at $1,561. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630449047
Dimensions8.15 × 5.69 × 3.82 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.15 mm5.69 mm1.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630449047
Side View
Table 66.0%Crown 35°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,561 CAD|Low: $241 CAD|High: $1,815 CAD|Avg: $746 CAD|-14.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 9$241 CAD
Retailer 4$280 CAD
Retailer 5$295 CAD
Retailer 13$300 CAD
Retailer 15$384 CAD
Retailer 2$527 CAD
Retailer 3$533 CAD
Retailer 12$537 CAD
Retailer 7$639 CAD
Retailer 6$772 CAD
Retailer 11$961 CAD
Retailer 8$1,013 CAD
Retailer 14$1,016 CAD
Retailer 10$1,398 CAD
Brilliant Earth$1,561 CAD

39 data points across 15 retailers

16 retailers$241 CAD to $1,561 CAD

A
Cheapest Retailer
-
$241 CAD
Retailer 2
-
$280 CAD
View
Price last confirmed 41 days ago
Retailer 3
-
$295 CAD
View
Price last confirmed 41 days ago
Retailer 4
-
$300 CAD
View
Price last confirmed 26 days ago
Retailer 5
-
$300 CAD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$527 CAD
View
B+
Retailer 7
-
$533 CAD
View
A
Retailer 8
-
$537 CAD
View
A
Retailer 9
-
$639 CAD
View
B+
Retailer 10
-
$772 CAD
View
B+
Retailer 11
-
$961 CAD
View
B
Retailer 12
-
$1,013 CAD
View
B
Retailer 13
-
$1,016 CAD
View
B+
Retailer 14
-
$1,049 CAD
View
B
Retailer 15
-
$1,398 CAD
View
Most Expensive
B
Brilliant Earth
10975666A · Nov 4
$1,561 CAD
$1,110 USD
View
15 more retailers have this diamond
Prices start from $241 CADSave up to $1,321 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.53ct Radiant
$241 CAD